Consider the integral ā« 2
6
ā
1+x 5
x
ā
dx. Which of the following expressions represents the integral as a limit of Riemann sums? A. lim nā[infinity]
ā
ā i=1
n
ā
n
6
ā
1+(2+ n
6i
ā
)
2+ n
6i
ā
ā
B. lim nā[infinity]
ā
ā i=1
n
ā
1+(2+ n
6i
ā
) 5
2+ n
6i
ā
ā
C. lim nā[infinity]
ā
ā i=1
n
ā
n
4
ā
1+(2+ n
4i
ā
) 5
2+ n
4i
ā
ā
D. lim nā[infinity]
ā
ā i=1
n
ā
n
4
ā
1+(2+ n
4i
ā
)
2+ n
4i
ā
ā
E. lim nā[infinity]
ā
ā i=1
n
ā
n
6
ā
1+(2+ n
6i
ā
) 5
2+ n
6i
ā
ā
F. lim nā[infinity]
ā
ā i=1
n
ā
1+(2+ n
4i
ā
) 5
2+ n
4i
ā
ā